Results 1 to 13 of 13
  1. #1
    Join Date
    Oct 2006
    Location
    tx
    Posts
    26

    best tool for wet bulb for package units?

    What are you light commercial guys using for wet bulb on package units would like something accurate with small probe to only drill small hole in in return panel tired of using sling in store

  2. #2
    Join Date
    Mar 2009
    Location
    Mid-Mo
    Posts
    3,596
    Cooper SRH77A for me. Great instrument or temperature, humidity, and wet bulb.

  3. #3
    Join Date
    Apr 2011
    Location
    Garden City, MI
    Posts
    16
    I have the same Cooper & I agree with ryan

  4. #4
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,157
    Fieldpiece SRH3 is what I use.

  5. #5
    Join Date
    Dec 2002
    Location
    Arizona
    Posts
    4,416
    Quote Originally Posted by chuckcrj View Post
    Fieldpiece SRH3 is what I use.
    Yup me too.
    Make your expertise uniquely valuable.

    Make your influence uniquely far-reaching.

  6. #6
    Join Date
    Oct 2006
    Location
    tx
    Posts
    26
    Have you found srh3 to be reliable and accurate

  7. #7
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,157
    Quote Originally Posted by ats890 View Post
    Have you found srh3 to be reliable and accurate
    I've had mine for 10 months and no problems so far.

  8. #8
    Join Date
    Jun 2008
    Location
    Rochester, NY
    Posts
    350
    Quote Originally Posted by chuckcrj View Post
    Fieldpiece SRH3 is what I use.
    X3.

    It's a nice tool and I've found it to be reliable also.

    -Mark
    RSES CM Member
    NCI Certified Air Balancer and CO/Combustion Analyst
    NATE Senior technician - Energy efficiency analyst and 7 other NATE Service certifications

    Never stop learning!

  9. #9
    Got a Fieldpice and a Bacherach sling. It's advantageous to double check your instruments at regular intervals..

  10. #10
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,157
    Quote Originally Posted by hvac5646 View Post
    Got a Fieldpice and a Bacherach sling. It's advantageous to double check your instruments at regular intervals..
    This is true. Do you find that the Fieldpiece stays accurate compared to the sling?

  11. #11
    Join Date
    May 2009
    Location
    Savannah, Ga/H.H. Island, S.C.
    Posts
    1,524
    I use the Testo 605-H2.

    http://www.trutechtools.com/Testo605H2

    I drill a 1/2 hole using a step bit and insert the probe thru the panel. I plug the hole when complete.

  12. #12
    Quote Originally Posted by chuckcrj View Post
    This is true. Do you find that the Fieldpiece stays accurate compared to the sling?
    Well my sling is a hand-me-down and is pretty old, so it uses mercury filled thermometers which need no calibration (but the accuracy is as good as it gets in a sling).

    On a FP digital K-type WB thermometer the reading are as accurate as long as you keep it calibrated.

  13. #13
    Quote Originally Posted by Brent Ridley View Post
    I use the Testo 605-H2.

    http://www.trutechtools.com/Testo605H2

    I drill a 1/2 hole using a step bit and insert the probe thru the panel. I plug the hole when complete.
    Yeah, I got that WB instrument this winter. Be using it this summer for the first time. But I did experiment with it when it first came. The rubber cone I have with it holds it in place in the duct.

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